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Raian IonescuMaterial quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
Black Surface Treatment Low Carbon Steel Square Tube 30*30-500*500 Size Range Hollow Steel Section
Product Details
| Section Shape | Square | Size Range | 20x20 - 800x800 |
|---|---|---|---|
| Thickness Range | 0.6mm - 28mm | Material | A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140 |
| Surface Treatment | Black, Galvanized, Painted | Standard Length | 6M |
| Outer Diameter | 10mm - 1000mm | Wall Thickness | 1.2mm - 30.0mm |
| Production Capacity | 10,000MT Per Month | MOQ | 10 Tons Per Size |
| Packing | Bundles, Seaworthy Package | Lead Time | 30 Days |
| Delivery Port | Shanghai, China | HS Code | 7304319000 |
| Transport Package | Wooden Box | ||
| Highlight | Black Surface Treatment Square Steel Tube,30*30-500*500 Size Range Hollow Steel Section,Low Carbon Steel Square Tube |
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Product Description
Low Carbon Steel Square Tubes - Available in Stock
Comprehensive range of 20x20, 25x25, 30x30, and 40x40 low carbon steel square tubes ready for immediate delivery.
Product Specifications
| Product Type | Specification Range | Thickness |
|---|---|---|
| Square Pipe | 10mm×10mm - 1000mm×1000mm | 1.2mm - 30.0mm |
| Rectangle Pipe | 20mm×40mm - 400mm×700mm | 1.2mm - 30.0mm |
| Round Pipe | OD10mm - 1000mm | 4mm - 30mm |
| L/T/Z Window Section | 28mm/38mm | 0.5mm - 1.5mm |
Key Product Details
- Materials: A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, etc.
- Surface Treatment: Black, galvanized, or painted finishes
- Standard Length: 6 meters (custom lengths available)
- Packing: Export standard packaging (bundles, seaworthy packages)
- Delivery Port: Shanghai, China
- Lead Time: Within 30 days after receiving L/C or deposit
- MOQ: 10 Tons per size
- Production Capacity: 10,000 MT per month
Applications
Widely used in structural applications, automotive manufacturing, ornamental work, medical equipment, sports equipment, and home furniture.
Standard Size Specifications
| Size (Outer Dimension) | Wall Thickness | Length |
|---|---|---|
| 20x20 / 25x25 | 1.2mm - 2.75mm | 6M in stock (customized available) |
| 30x30 / 20x40 / 30x40 / 25x40 | 1.2mm - 3.5mm | 6M in stock (customized available) |
| 40x40 / 50x50 / 30x50 / 25x50 / 30x60 / 40x60 | 1.2mm - 4.75mm | 6M in stock (customized available) |
| 60x60 / 50x70 / 40x80 / 40x50 | 1.2mm - 5.75mm | 6M in stock (customized available) |
| 70x70 / 60x80 / 50x80 / 100x40 / 50x90 | 1.5mm - 5.75mm | 6M in stock (customized available) |
Product Gallery
Company Overview
We are a comprehensive steel pipe enterprise integrating production, processing, and sales. Our extensive product range includes steel tubes, square tubes, seamless square tubes, thick wall square tubes, cold drawn square tubes, and various specialized profiles.
Product Range
Complete specifications from 20×20 to 800×800 square tubes and 20×30 to 400×800 rectangular tubes, with thickness ranging from 0.6mm to 28mm. Over 2,800 different specifications available.
Manufacturing Partnerships
Authorized partner for major steel pipe manufacturers including Tianjin, Baotou, Chengdu, Wuxi, and Baosteel steel pipe factories. We operate our own square pipe factory and straight seam welding pipe factory.
Industry Applications
Steel structures, large venues, exhibition centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, railway vehicles, bridge support, mining equipment, and various industrial applications.
Company Advantages
Competitive Pricing
Strategic partnerships with steel manufacturers ensure lowest possible costs. Advanced management systems maintain competitive pricing while ensuring strong market position and development.
Quality Assurance
Professional quality control from procurement to sales. Continuous tracking of steel mill quality ensures reliable products. Quick resolution of quality concerns with satisfactory outcomes.
Comprehensive Service
24-hour distribution services via road, rail, and sea. Extensive product catalog with simple ordering processes through telephone, telex, internet, and remote ordering systems.
Main markets: Europe, America, Africa, Southeast Asia. We welcome both new and existing customers for business negotiations and communication.
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